参数资料
| 型号： | MPR031EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 2/33页 |
| 文件大小： | 0K |
| 描述： | IC CTLR TOUCH SENSOR 8-DFN |
| 产品培训模块： | MPR03x - Low-Power Proximity Sensors |
| 特色产品： | MPR03x Proximity Capacitive Touch Sensor Controllers |
| 标准包装： | 1 |
| 类型： | 电容性 |
| 触摸面板接口： | 2 线 |
| 评估套件： | 可供 |
| 数据接口： | I²C，串行 |
| 数据速率/采样率 (SPS，BPS)： | 400k |
| 电源电压： | 1.71 V ~ 2.75 V |
| 电流 - 电源： | 43µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN |
| 供应商设备封装： | 8-QFN-D（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 2808 (CN2011-ZH PDF) |
| 配用： | KITMPR03XEVM-ND - KIT EVAL FOR MPR03X DEMOMPR031-ND - BOARD DEMO FOR MPR031 CTLR |
| 其它名称： | MPR031EPR2DKR |
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MPR03X
Sensors
10
Freescale Semiconductor
4.3
Run1 Mode
In Run1 Mode, the MPR03X monitors 1, 2, or 3 electrodes which are connected to a user defined array of touch pads. When only
1 or 2 electrodes are selected, the IRQ/ELE2 pin is automatically configured as an open drain interrupt output.
When 3 electrodes are selected in Run1 Mode, the IRQ/ELE2 pin becomes the third electrode input, ELE2 (Figure 14).
Figure 14. Electrode/Pad Connections in Run Mode
4.4
Run2 Mode
In Run2 Mode, all enabled electrodes act as a single electrode by internally connecting the electrode pins together. The entire
surface of all the touch pads is used as a single pad, increasing the total area of the conductor.
When 2 electrodes are selected in Run2 Mode, the IRQ/ELE2 pin is automatically configured as an open drain interrupt output.
When 3 electrodes are selected, the IRQ/ELE2 pin becomes the third electrode input, ELE2 (Figure 15).
Figure 15. Electrode/Pad Connections in Area Detection Mode
4.5
The Electrode Configuration Register manages the configuration of the Electrode outputs in addition to the mode of the part. The
address of the Electrode Configuration Register is 0x44.
Figure 16. Electrode Configuration Register
7
6
5
4
3210
R0
CalLock
ModeSel
EleEn
W
Reset:
0
0000
= Unimplemented
ELE0
ELE1
Capacitance
Measurement
Engine
Filters
and
Touch
Detection
ELE2
3
1
2
Run1 Mode with 3 Electrodes
INT
Interrupt
Run1 Mode with 2 Electrodes
ELE1
ELE0
Capacitance
Measurement
Engine
Filters
and
Touch
Detection
1
2
INT
Interrupt
Run1 Mode with 1 Electrode
ELE0
Capacitance
Measurement
Engine
Filters
and
Touch
Detection
1
ELE0
ELE1
INT
Capacitance
Measurement
Engine
Filters
and
Touch
Detection
ELE2
Interrupt
Run2 Mode to 2 Pads
3
1
2
ELE1
ELE0
Capacitance
Measurement
Engine
Filters
and
Touch
Detection
Run2 Mode to 3 Pads
1
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPR031EPR2 | 制造商:Freescale Semiconductor 功能描述:IC CAPACITIVE TOUCH SENSOR FN-8 |
| MPR031EPR2-CUT TAPE | 制造商:Freescale 功能描述:MPR031 Series 2.75 V 8 ? Proximity Capacitive Touch Sensor Controller - UDFN-8 |
| MPR032 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
| MPR032EP | 制造商:Freescale Semiconductor 功能描述:CAPACITIVE TOUCH SENSOR 8-PIN UDFN BULK - Bulk |
| MPR032EPR2 | 功能描述:电容触摸传感器 DFN TOUCH PAD RoHS:否 制造商:Microchip Technology 电源电压: 通道数量: 封装 / 箱体: 尺寸: 温度范围: |
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